baber/WOPTO huggingface dataset:
Patent GB-1221968-A (GB)
Title: Printed circuit card
IPC: H01R12/55
Filed: 1968-04-17
Abstract: 1,221,968. Printed circuit assemblies. INTERNATIONAL BUSINESS MACHINES CORP. 17 April, 1968 [8 May, 1967], No. 18052/68. Heading H1R. [Also in Division H2] Electrical connection between two electrically conductive coatings 46, 48, Fig. 3, on a dielectric base 47 is produced by providing in one coating conical members 53 which project through holes in the base 47 and corresponding conical members in the second coating which fit over the first said members. Such connections are produced by depositing a conducting layer (72), Fig. 2b (not shown), of e.g. copper, on a steel former (70) having raised conical projections (71), and then assembling a prepunched dielectric layer (73), e.g. of epoxy or silicone glass, a further conducting layer (74), e.g. of copper, provided with conical members (76), on the deposited conducting layer. The various layers are then laminated together by heat and pressure and thereafter removed from the former. To ensure good electrical connections, solder may be provided between the mating surfaces of the projections. The copper layer (72) may be deposited on the former by vapour deposition, sputtering, electroless or electroplating or spraying. The prepunched conical members (76) in the copper layer (73) are open so they leave the end of the conical members of layer (72) exposed. After removal from the former circuit patterns are produced in one or both copper layers, e.g. by photoresist and photo etching methods, and the upper layer (73) covered by a protective dielectric coating 45. To prevent oxidation of the surfaces of the connectors these may be coated with precious metal 44 or with solder. A stack of printed cards, strip line connectors, modules, all provided with the above type of connectors may be assembled together, Figs. 1, 3, the projection on one layer being located in the corresponding depression in the next layer. The whole assembly may be held together by air pressure bags, through which cooling liquid may flow, or alternatively the layers may be soldered together, where a solder layer is provided in place of the precious metal layer 51, Fig. 3. In a modification where connection between the two conducting layers of one laminate is not required, Fig. 5 (not shown), a relatively small conical member (64) is formed in the first conducting layer (60) and a hole, corresponding to that in the dielectric layer (61) in the second conducting layer (62). A protective dielectric coating (62) being provided as before.
Patent GB-120992-A (GB)
Title: Improvements in and relating to Buttons and Button Fasteners.
Inventor: BROOKSBY FREDERICK HAROLD
IPC: A44B1/28
Filed: 1917-12-06
Abstract: 120,992. Brooksby, F. H., Bowtle, W., and Meers, J. W. Dec. 6, 1917. Buttons and buttonfasteners. - A stem carried by, or forming one part of, a button is passed through an eyelet secured in the material and is then connected to the other part of the button, the eyelet forming no part of the means for securing the parts of the button together; flexibility of movement may be provided also between the stem and one or both parts of the button. Figs. 1, 5, and 13 show two buttons c, d connected together back to back, and Fig. 10 shows a single button c secured to the fabric a by a hollow rivet s. The button d, Fig. 1, is provided with a stem e, which is passed through the eyelet b and through an opening f in the button c and then headed over; alternatively, the button c may be dispensed with. In the arrangement shown in Fig. 10, the button c is secured to the fabric a by heading over a hollow rivet s, which is provided with a flange s'. The hollow rivet s may be used with the two buttons c, d, Fig. 1, the integral stem e of the button d being dispensed with. Various .forms of hollow and solid rivets are shown. The opening f in the button, through which the stem e or rivet s passes, may have a square or other outline to allow flexibility of movement. In the arrangement shown in Fig. 5, each button comprises a hollow body k with a cover m enclosing a spring n, Fig. 6, with which the head o of a doublebeaded rivet engages. The buttons c, d, Fig. 13, are provided with holes v for receiving a wire shank w.
Patent GB-164256-A (GB)
Title: Improvements in work-holders
IPC: D05B81/00
Filed: 1920-07-02
Abstract: 164,256. Fairweather, W., (Singer Manufacturing Co.). July 2,1920. Sewing-machines; feed by clamps; work supports. - In a machine for sewing the bow of a hat ribbon to a hat, the work is held between a flat clamp-plate 6 and a pair of fingers 31 carried by a vertical extension of an arm 20 which is pivoted to the clamp standard 18 and urged downwards by a spring 20. During stitching, the fingers hold the hat in place in the clamp and also deflect the upper limb of the ribbon bow. Either of the arms 31 can be turned about a pivot 30 into an inoperative position. An edge gauge 17 is adjustably secured on the clamp and the outer extremity of the clamp-plate is slightly inclined upwards. An inclined extension 38 of the work-support is secured to the machine arm 2 by screws. A collar 24 on a rod 23 engages the underside of the arm 20 and a treadle-operated lever 26 is furnished for raising the rod 23 and opening the clamp by lifting the arm 20.
Patent GB-1133946-A (GB)
Title: Machines for removing scrap sections from cut and scored blanks
IPC: B26D7/18
Filed: 1966-04-26
Abstract: 1,133,946. Stripping apparatus. J. E. FOSTER. 26 April, 1966, No. 18206/66. Heading B4B. Apparatus for stripping scrap from cut and scored blanks comprises a feed conveyer 32, Fig. 4, which delivers the blanks to the stripper via feed rollers 51, 52, the stripper comprising rotary beaters 39, 40 below and a fan arrangement 130 ... 132, 134, Fig. 8, above the blank when in the stripper, and a delivery conveyer 93, Fig. 1, having delivery rollers 94, 95. The upper rollers 52, 94 are adjustable for different thickness of board by hand wheels 54, 96. The tension and speed of the feed conveyer are variable by a slotted mounting arrangement and variable speed-motor 41 controlled by a potentiometer 45 respectively. The beaters 39, 40 may be of triangular, rectangular or hexagonal cross-section and operate in co-operation with a lattice-like platform of bars and flat strips. The beaters are rotated in phase via a chain and gear drive 83 . . . 85, Fig. 8, and a variable-speed motor 81 controlled by a potentiometer 89. The fan arrangement comprises propeller type fans driven by a variable speed motor. Air volume is controlled by a louvred top opening adjusted by a hand wheel. In operation, the beaters strike the blank upwardly whilst the blank is forced down by the air from the fans, and the waste stripped material is carried away. The distance between the feed-rolls 51, 52 and the delivery roller 94 is adjustable by operation of a handwheel 97 until it exceeds the length of the blanks to be stripped. In a second embodiment a single beater 155, Fig. 12 has square-section segments 156 . . . 158 provided with hard plastic inserts. The bed for the blanks is formed by fingers 161, 162, Fig. 11, curved to lift the trailing edge of the sheet clear of the beater tips after stripping to prevent damage to the trailing edge of the blank.
Patent GB-1148293-A (GB)
Title: Catalysed reticulation of polyurethane foams by means of liquids
IPC: C08J9/38
Filed: 1966-04-26
Abstract: 1,148,293. Polyurethane foams. SCOTT PAPER CO. 26 April, 1966 [30 April, 1965], No. 18305/66. Headings C3C and C3R. Polyurethane foams are reticulated to obtain a 3-dimensional structure which consists of nexus and strands joined together and which is substantially free of membranous matter by immersing a membrane-containing polyurethane foam at a temp. <50‹ C. in a solution which is a mixture of (a) water, (b) an alkali metal or alkaline earth metal hydroxide, (c) a water soluble glycol and (d) an aliphatic alcohol containing 3 or more carbon atoms which is soluble in the medium. The foam is maintained in the solution until reticulation has been effected after which it is separated and reticulation arrested, e.g. by neutralization or washing. NaOH may be used at 10 parts per 100 parts of solution. Isopropanol is a suitable aliphatic alcohol. Ethylene glycol and propylene glycol are examples of water soluble glycols.
Patent GB-817578-A (GB)
Title: Improvements in or relating to lamp-holders for electric lamps
IPC: H01R33/46
Filed: 1956-06-14
Abstract: 817,578. Lamp-holders. HUTCHINGS, E. L. Sept. 12, 1957 [June 14, 1956], No. 18478/56. Class 38 (1). A lamp-holder comprises a resilient U-shaped memher A carrying contacts B, C, and held in position in an apertured plate by means of projections E, pressed out from the side-walls of the member and by spring-shaped portions H which bear against the plate. Flanges I are provided near the aperture and are provided with cutaway portions to receive the bayonet studs of a lamp-cap. In another arrangement, a contactcarrying plate of insulating material is held in position by means of springs which are mounted on prongs integral with the U-shaped member. A hole is provided in the U-shaped member for the leads which are soldered to the contacts, Figs. 5-9 (not shown). The U-shaped contactcarrying member may be held resiliently against the apertured plate by springs mounted on studs carried by the plate, the flanges being pressed out from the apertured plate to constitute a lamp-receiving socket of cylindrical form, Figs. 10-14 (not shown).
Patent GB-715819-A (GB)
Title: Selvedge heald frames for mails of looms for weaving
IPC: D03C11/00
Filed: 1951-08-04
Abstract: 715,819. Loom heald frames. BADDELEY, C. H. Oct. 28, 1952 [Aug. 4, 1951], No. 18512/51. Class 142(2) A selvedge heald frame comprises side members 1 with curved ends 2 connected by baulks 3 and having heald supporting rods 4 detachably secured in slots. A pair of hooks 7 is associated with each baulk 3, each hook having a closed end 9 engaging an edge of a baulk and a split shank engaging a curved end 2 of a member 1.
Patent GB-1271991-A (GB)
Title: Production and refining of isocyanates
Inventor: GRANT BRENTON ROBINSON JR
IPC: B01D3/10
Filed: 1969-04-10
Abstract: 1,271,991. Production of isocyanates. E. I. DU PONT DE NEMOURS & CO. 10 April, 1969 [11 April, 1968; 19 April, 1968], No. 18545/69. Heading C2C. A continuous process for the preparation of organic isocyanates comprises (1) continuously introducing an organic amine, at least 5 parts of an inert organic solvent per part by weight of organic amine, and at least 1À25 moles of phosgene per equivalent of organic amine into a constant composition primary reaction zone providing an average liquid residence time of from 20 to 120 minutes at a temperature of at least 105‹ C., (2) continuously removing from said primary reaction zone a gaseous mixture of phosgene and by-product HCl and a liquid reaction mass, (3) continuously contacting, in a secondary reaction zone, said removed liquid reaction mass with at least 0À75 moles of phosgene per equivalent of organic amine fed to said primary reaction zone, said secondary reaction zone providing an average liquid residence time of 5-45 minutes at a temperature of at least 130‹ C. and (4) continuously removing a gaseous mixture of phosgene and by-product hydrogen chloride and a solution of organic isocyanate from said secondary reaction zone.
Patent GB-328490-A (GB)
Title: Lubrication of internal combustion engines
IPC: F01M1/02
Filed: 1929-06-17
Abstract: 328,490. Douglas Motors, Ltd., and Douglas, J. June 17, 1929. Force-feed lubricating.-In an internal-combustion engine with vertical crankshaft 2 for outboard motor-boats, oil drains from the engine crank case 3 and surrounding clutch mechanism into an annular chamber 5 attached below the crank case 3 and surrounding clutch mechanism 17. A pump 8 arranged within the chamber 5 draws oil therefrom and delivers it to the upper bearing 15. The chamber 5 may be attached directly to the case 3, or, as shown, to a partition member 6 which constitutes a casing to enclose the timing gearing and the gearing 7 driving the pump shaft 9. The pump is mounted in a plug 10 screwed into the bottom of the chamber 5.
Patent GB-952646-A (GB)
Title: Improvements in or relating to ball joints
Inventor: PARKER ROBERT WILLIAM
IPC: F16C11/06
Filed: 1961-05-23
Abstract: 952,646. Ball joints. ENGINEERING PRODUCTIONS (CLEVEDON) Ltd. April 12, 1962 [May 23, 1961], No. 18580/61. Heading E2F. Resilient annular packing means 7 of rubber or rubber-like material are arranged between an at least partially flat crown formed on the ball 4 opposite the pin 3 and a closure member 6 for the housing 1 to press a part-spherical peripheral bearing surface on the ball against a complementary seating in the housing and also to restrict rocking movement of the pin relative to the housing. A washer 8, preferably made from synthetic plastic may be placed between the packing means and the ball. The means 7 may be a washer or may have an internal cavity formed with stiffening ribs. In a modification a concentric extension is provided on the flattened crown of the ball, which projects into the annular packing means and is preferably surrounded by a synthetic plastic sleeve. The ball may seat in a lining 5 of plastics or sintered metal.
Patent GB-117028-A (GB)
Title: Improvements in or relating to the Governing or Turbo-compressors and Turbo-blowers.
IPC: F04D27/02
Filed: 1917-12-14
Abstract: 117,028. Fraser & Chalmers, and Pochobradsky, B. F. Dec. 14, 1917. Regulating or controlling.-Pulsation in a turboccmpressor or turbo-blower is prevented by a throttle valve on the intake and a relief valve on the outlet which are operated in accordance with the mass of gas passing through the compressor, the throttle valve being operated first as the output falls followed by the relief valve. A Venturi nozzle 2 is arranged in advance of the throttle valve 3 in the intake of a compressor 1, and a relief valve 4 and non-return valve 5 are arranged in the outlet. A piston 10 is subjected on one side to the pressure of the Venturi nozzle and on the other to the pressure in the pipe before the nozzle which, in the arrangement shown, is that of the air. A lever 12 is pivoted to an extension 14 of the piston-rod, and to it are pivoted a link 16 connected to a relay plunger 18 and a link 17 connected to a piston 19 movable in a cylinder 20 under the control of a spring 23. On downward movement of the piston 10 owing to decrease of the mass of air passing through the Venturi nozzle the lever 12 turns about the pivot 50 and depresses the plunger 18 which admits to the lower surface of the piston 19, fluid under pressure supplied from a pipe 22 to the plunger chamber. The piston 19 thereupon rises and the link 12 turning about the fulcrum 13, the relay plunger is lifted. The lower part of the cylinder 20 is connected by a pipe 24 with a distributor 25 normally in communication by pipes 26, 28 with cylinders 27, 29 which operate the throttle valve 3 and the relief valve 4. The pressure of the controlling spring 37 is adjusted so that the valve 4 is opened after the throttle valve has been partly closed. A non-return valve 5 in the outlet completely closes when the supply of air is reduced below a certain limit and at this stage the valve 4 is fully open, and the valve 3 closed to an extent limited by a stop 39 allowing a small quantity of air to pass. If the demand for air is increased, the pressure in the outlet 6 will fall, and this reduction communicated by a pipe 40 to the underside of a piston 41 allows the piston to be moved by a spring 43, the motion being communicated by a link 45 to a piston valve 47 forming part of the distributor. As the piston valve 47 rises, the pipe 26 is connected to a drain 51 and the valve 3 opens. The valve continues to rise and connects the pipe 28 to the drain, whereupon the valve 4 closes and the pressure rising on the outlet side of the compressor, the non-return valve 5 is opened. The stem 48 of the valve 5 is connected to the stem of the piston 10 so that, if 'by a sudden closure of the delivery main pumping is set up, the piston 10 will be forced downwards and the valves 3 and 4 operated. A slot 49 allows the piston 10 to operate normally when the valve 5 is open.
Patent GB-1432923-A (GB)
Title: Rotary internal-combustion engine
IPC: F02B75/02
Filed: 1974-04-29
Abstract: 1432923 Rotary positive-displacement fluid-machines DRAGAN BUKATAREVIC 29 April 1974 [1 April 1974] 18606/74 Heading F1F In an I.C. engine of the "cat-and-mouse" type a pair of co-operating rotors 1, 2 each have at least three pistons and during a phase of the working cycle in which uncompressed fuel and air mixture is transferred through a passage 36 to an interdu piston space wherein it is subsequently compressed the mixture is heated at constant volume by the adjacent parts of the rotors. The motion of the rotors may be controlled by gears 4 to 12, shafts 13, 22-25 and links 14 to 21. Other embodiments, Figs. 11 and 16 (not shown), differ mainly in the details of the rotor motion controlling mechanism. When each of the rotors has four or five pistons, Figs. 13 and 14 (not shown), the mixture is heated by the exhaust gases in heatexchangers during the aforementioned phase of the working cycle and more than one transfer passage is provided.
Patent GB-121520-A (GB)
Title: Improvements in and connected with Roller Grinding Mills for Milling Flour.
Inventor: LEETHAM SIDNEY
IPC: B02C11/08
Filed: 1917-12-19
Abstract: 121,520. Leetham, S. Dec. 19, 1917 Reciprocating sieves.-In roller mills for milling flour, the sieve that receives the material from the rolls is supported on horizontal guides and is given an horizontal shock movement in a direction at right-angles to that of the flow of the material. In the arrangement shown, the sieve e, e<1> is supported on the horizontal guides g and is connected by a rod h to a laminated spring and a lever l which is provided with a roller m for engaging a cam n and on the shaft d of the roll c. The cam is formed with an incline and an abrupt face s. During each revolution of the shaft d, the cam causes the lever l to flex the spring t and to move the sieve, and when the roller m sides off the cam, the spring bumps the sieve against stops u. The rod h is connected to the sieve by a channelled shoe i. The lever l and the spring t are preferably connected to a loose sleeve p which drives the rod h by means of a spring q, adapted to yield when the sieve is obstructed. The cam is formed with a box m<1> for containing lubricant, the cam shown being designed for application to existing machines, in which the presence of a pulley necessitates the fitting of the cam within the length of the shaft d. In machines in which this pulley is absent the cam can project beyond the shaft, thus enabling the box to be made deeper since the roller m can be carried by a bent part of the lever l which passes through a small axial hole. The sieve is preferably formed in two parts c, e<1> connected by a hinge f, the upper part being nearly vertical.
Patent GB-114416-A (GB)
Title: Improvements in or relating to Automobile Tractor Vehicles.
Inventor: DESSAULES PAUL
IPC: B62D7/02
Filed: 1917-12-19
Abstract: 114,416. Dessaules, P. March 27, 1917, [Convention date]. Addition to 112,271. Adjusting centrally-pivoted axles for steering.- In a tractor comprising two alined driving and steering wheels the wheels 2 are surrounded by cradles 1 provided with rollers 11 bearing on circular paths 10 and with rack sectors 4 engaged by pinions on shafts having worm wheels 9 which are operated by worms 8 on the steering shaft 12.
Patent GB-580367-A (GB)
Title: Process for manufacture of magnesium products
IPC: C01F5/24
Filed: 1943-11-12
Abstract: Neutral hydrated magnesium carbonate is precipitated by aerating a magnesium bicarbonate solution with a relatively inert gas, e.g., decarbonated air or natural gas, at a rate insufficient to cause violent agitation, removing the suspension of neutral carbonate and reintroducing solid magnesium carbonate in amounts substantially, e.g., four to six times, greater than the amounts being precipitated so as to produce large particles e.g., 150 microns.  The bicarbonate solution may be obtained from brines, or by crushing and calcining magnesium materials, e.g., dolomite, prucite, magnesite, serpentine, olivine, preferably selectively leaving calcium carbonate largely undecomposed; grinding preferably wet to 200 mesh, forming a magnesium hydroxide slurry; pretreating during or after grinding with flue <PICT:0580367/III/1> gas or bicarbonate solution to convert calcium oxide to rapid settling carbonate; diluting to, e.g., three per cent. solids; carbonating at normal or increased pressure; removing solids, e.g., by a hydro-separator or centrifuge, and clarifying. Magnesium carbonate may be recovered from the sludge solids by a continuous stream of water.  Carbonation may be carried out in a series of tanks, the pressure rising to 20lbs. per square inch. Enriched carbon dioxide or high pressure carbonation may be used. As shown 2.5 per cent. magnesium bicarbonate solution 65 is aerated under normal conditions of temperature and pressure in three tanks 51, 52, 53 fitted with perforated bottom plates and baffles and supplied with successively greater amounts of air 57. Pentahydrate is deposited below 15 DEG C. and trihydrate at 15-40 DEG C. The suspension passes to the hydraulic thickener 62 and then to a centrifuging or dewatering stage.  Sufficient thickened slurry is returned 64 to the aeration stage to maintain a content of 6-10 per cent. neutral solids.  The evolved carbon dioxide is recovered at 67 for reuse.  Only about 55-65 per cent. of the bicarbonate is decomposed and residual bicarbonate solution from the thickening and centrifuging stages is recycled 66 to the precarbonation dilution stage and/or the pretreatment stage.  The magnesium carbonate may be ignited to oxide or dried and expanded at 250-400 DEG C. to produce basic carbonate.  Specification 529,127 is referred to.
Patent GB-147053-A (GB)
Title: Improvements in caps for valves for pneumatic tyres
IPC: B60C29/06
Filed: 1920-07-06
Abstract: 147,053. Bellan, E. Nov. 29, 1913, [Convention date]. Dust-caps for tyre valves.- The outer dust-cap for a tyre valve is made of moulded india-rubber. The cap A is made with a smooth interior surface of two different diameters so that it engages both the valve casing band the inner dust cap d. The exterior is formed with two strengthening ribs a<3> and with vertical ribs a<4> to facilitate manipulation.